Home / 130,012,005.13-195,015,275.43-31,644,260.53

Finding the Fourth Proportional to 130,012,005.13, 195,015,275.43 and 31,644,260.53

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Solution

The fourth proportional to 130,012,005.13, 195,015,275.43 and 31,644,260.53 is: 47,465,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012,005.13 : 195,015,275.43 = 31,644,260.53 : x
  2. Step 2: Convert to fraction form
    130,012,005.13/195,015,275.43 = 31,644,260.53/x
  3. Step 3: Cross multiply
    130,012,005.13x = 195,015,275.43 × 31,644,260.53
  4. Step 4: Simplify right side
    130,012,005.13x = 6,171,114,183,661,240
  5. Step 5: Solve for x
    x = 6,171,114,183,661,240/130,012,005.13
  6. Step 6: Final answer
    x = 47,465,725.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.